“Ariocarpus retusus (A plant rarely seen)” by Emile Abbott.Ariocarpus retusus is a small grayish green cactus that barely appears above ground. Also called "living rocks". It is rare to flower. Their horny, fleshy, umbicated three angled tubercles are characteristic. It is also called "False Peyote" and contains psychoactive phenylethylamine alkaloids that are stronger than peyote. It was valued in witchcraft by the Tarahumara. It grows in the Canyon Lands of the Lower Pecos-Rio Grande and has been used for thousands of years as a hallucinogenic